Table 2.
Angiographic and procedural characteristics.
| All Patients (n = 699) |
Large Vessels (n = 362) |
Small Vessels (n = 337) |
p Value 1 | |
|---|---|---|---|---|
| Angiographic characteristics | ||||
| ACC/AHA lesion B2-C | 377 (55) | 199 (55) | 178 (53) | 0.86 |
| Stenosis severity [%] | 80 (70;95) | 80 (70;95) | 90 (70;95) | 0.005 |
| Significant calcification | 75 (11) | 38 (11) | 37 (11) | 0.90 |
| Ostial lesion | 46 (6.6) | 27 (7.5) | 19 (5.6) | 0.36 |
| Thrombus | 30 (4.3) | 18 (5.0) | 12 (3.6) | 0.46 |
| Multivessel disease | 345 (49) | 174 (48) | 171 (51) | 0.50 |
| Procedural characteristics | ||||
| DES 2 | 451 (65) | 218 (60) | 233 (69) | 0.014 |
| Stented artery | ||||
| LM | 22 (3.1) | 22 (6.1) | 0 (0) | <0.001 |
| LAD | 331 (47) | 180 (50) | 151 (45) | 0.20 |
| Cx | 124 (18) | 47 (13) | 77 (23) | 0.001 |
| RCA | 183 (26) | 109 (30) | 74 (22) | 0.02 |
| Bypass | 2 (0.3) | 2 (0.6) | 0 (0) | 0.50 |
| Number of DESs per lesion | <0.001 | |||
| 1 | 576 (82) | 316 (87) | 260 (77) | |
| 2 | 106 (15) | 41 (11) | 65 (19) | |
| 3 | 14 (2.0) | 5 (1.4) | 9 (2.7) | |
| 4 | 3 (0.4) | 0 (0) | 3 (0.9) | |
| DES length per lesion [mm] | 22 (15;29) | 22 (15;29) | 22 (15;30) | 0.036 |
| DES diameter [mm] | 3.0 (2.5;3.25) | 3.25 (3.0;3.5) | 2.5 (2.25;2.75) | <0.001 |
| Primary PCI | 402 (58) | 212 (59) | 190 (56) | 0.59 |
| Predilatation | 376 (54) | 164 (45) | 212 (63) | <0.001 |
| Dilatation pressure [atm] | 12 (12;16) | 14 (12;16) | 12 (12;14) | 0.001 |
| TIMI 3 flow post PCI | 632 (90) | 329 (91) | 303 (90) | 0.70 |
| GPIIb/IIIa inhibitors | 47 (6.7) | 27 (7.5) | 20 (5.9) | 0.45 |
| Thrombectomy | 15 (2.1) | 8 (2.2) | 7 (2.1) | 1.0 |
| Residual stenosis >10% | 20 (2.9) | 10 (2.8) | 10 (3.0) | 1.0 |
Data presented as n (%) or median (25th; 75th percentile). ACC/AHA—American College of Cardiology/American Heart Association, LM—left main artery, LAD—left anterior descending artery, Cx—circumflex artery, RCA—right coronary artery, SVG—saphenous graft; DES—drug-eluting stent, DES2—second-generation DES, PCI—percutaneous coronary intervention, TIMI—thrombolysis in myocardial infarction, GP—glycoprotein. 1 Between groups of large and small vessels.